Integration with Finance and Operations - From Basics (Part 2)

Dynamics 365 ERP - Development

Data entities and custom services are two major ways to interact with tables in Dynamics 365 Finance and Operations using APIs.
Data entities simplify data management by grouping data from multiple tables, making it easier to import, export, and integrate data with other systems.
Custom services allow developers to create web services for specific business needs, enabling external systems to interact with Dynamics 365 F&O by exposing custom logic and operations.
To create custom services, you need to add a Service Group and a Service object, create request, response, and request processing objects, write the necessary logic in the processing object, and assign the processing class to the Service object.
After assigning the Service object to the Service Group, rebuild, sync database, and deploy, you can interact with the APIs using Postman by following a specific URL template.
You can trigger a "Post" request to perform operations and receive success or failure status along with relevant information.
You can also use "Get" requests to retrieve a list of Service Groups, Services, Operations, and Request/Response objects for specific Service Operations.
The article provides a comprehensive guide on creating APIs using Custom Services in Dynamics 365 Finance and Operations, with a promise to cover advanced API functionalities in the next blog post.

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